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772 datasets

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, December 30, 2025
File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

MCNA - Population Points with T/D Standards

Published by: California Department of Health Care Services
Last updated: Wednesday, June 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Updated 10/6/2022: In the Time/Distance analysis process, points that were found to have been included initially, but with no significant or year-roun...

Interagency Ecological Program: Drift invertebrate catch and water quality from the Sacramento River channel, and Sacramento River floodplain and tidal slough, collected by the Yolo Bypass Fish Monitoring Program, 1998-2019

Published by: California Department of Water Resources
Last updated: Wednesday, June 24, 2026
File types:

Largely supported by the Interagency Ecological Program (IEP), the California Department of Water Resources (DWR) has operated a fisheries and inverte...

Wild and Scenic Rivers, California State Designations Only, 2020

Published by: California Department of Water Resources
Last updated: Wednesday, June 24, 2026
File types: ZIP, PDF

California Public Resources Code, Chapter 1.4. California Wild and Scenic Rivers Act, Section 5093.50. It is the policy of the State of California tha...

California State Assembly Districts Map 2020

Published by: California Citizens Redistricting Commission
Last updated: Monday, March 24, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Final approved map by the 2020 California Citizens Redistricting Commission for the California State Assembly; the authoritative and official delineat...

Climate Explorer

Published by: California Natural Resources Agency
Last updated: Saturday, June 20, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

California is doubling down on efforts to achieve carbon neutrality and build resilience to the impacts of climate change. While the impacts vary in d...

California State Senate Districts Map 2020

Published by: California Citizens Redistricting Commission
Last updated: Monday, March 24, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Final approved map by the 2020 California Citizens Redistricting Commission for the California State Senate; the authoritative and official delineatio...

Map Sheet 48 (2025 update) - Ground Motion from PGV (10% in 50 years)

Published by: California Department of Conservation
Last updated: Wednesday, June 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from PGA (2% in 50 years)

Published by: California Department of Conservation
Last updated: Wednesday, June 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...

Map Sheet 48 (2025 update) - Ground Motion from SA20 (10% in 50 years)

Published by: California Department of Conservation
Last updated: Wednesday, June 24, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This image service is part of a collection of maps for PGA, PGV and spectral accelerations at 0.2 s (SA02), 1.0 s (SA10), and 2.0 s (SA20) to illustra...